3 from sfa.server.registry import Registries
4 from sfa.util.prefixTree import prefixTree
5 from sfa.util.record import SfaRecord
6 from sfa.util.table import SfaTable
7 from sfa.util.record import SfaRecord
8 from sfa.trust.gid import GID
9 from sfa.util.namespace import *
10 from sfa.trust.credential import *
11 from sfa.trust.certificate import *
12 from sfa.util.faults import *
14 def get_credential(api, xrn, type, is_self=False):
17 hrn = urn_to_hrn(xrn)[0]
19 hrn, type = urn_to_hrn(xrn)
20 # Is this a root or sub authority
21 auth_hrn = api.auth.get_authority(hrn)
22 if not auth_hrn or hrn == api.config.SFA_INTERFACE_HRN:
25 auth_info = api.auth.get_auth_info(auth_hrn)
27 records = table.findObjects({'type': type, 'hrn': hrn})
29 raise RecordNotFound(hrn)
32 # verify_cancreate_credential requires that the member lists
33 # (researchers, pis, etc) be filled in
34 api.fill_record_info(record)
37 # if this is a self cred the record's gid is the caller's gid
40 caller_gid = record.get_gid_object()
42 caller_gid = api.auth.client_cred.get_gid_caller()
43 caller_hrn = caller_gid.get_hrn()
45 object_hrn = record.get_gid_object().get_hrn()
46 rights = api.auth.determine_user_rights(caller_hrn, record)
47 # make sure caller has rights to this object
49 raise PermissionError(caller_hrn + " has no rights to " + record['name'])
51 object_gid = GID(string=record['gid'])
52 new_cred = Credential(subject = object_gid.get_subject())
53 new_cred.set_gid_caller(caller_gid)
54 new_cred.set_gid_object(object_gid)
55 new_cred.set_issuer(key=auth_info.get_pkey_object(), subject=auth_hrn)
56 new_cred.set_pubkey(object_gid.get_pubkey())
57 new_cred.set_privileges(rights)
58 new_cred.set_delegate(True)
59 auth_kind = "authority,ma,sa"
60 new_cred.set_parent(api.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
64 return new_cred.save_to_string(save_parents=True)
66 def resolve(api, xrns, type=None, origin_hrn=None):
68 # load all know registry names into a prefix tree and attempt to find
69 # the longest matching prefix
70 if not isinstance(xrns, types.ListType):
72 hrns = [urn_to_hrn(xrn)[0] for xrn in xrns]
73 # create a dict whre key is an registry hrn and its value is a
74 # hrns at that registry (determined by the known prefix tree).
76 registries = Registries(api)
78 registry_hrns = registries.keys()
79 tree.load(registry_hrns)
81 registry_hrn = tree.best_match(urn_to_hrn(xrn)[0])
82 if registry_hrn not in xrn_dict:
83 xrn_dict[registry_hrn] = []
84 xrn_dict[registry_hrn].append(xrn)
87 for registry_hrn in xrn_dict:
88 # skip the hrn without a registry hrn
89 # XX should we let the user know the authority is unknown?
93 # if the best match (longest matching hrn) is not the local registry,
95 xrns = xrn_dict[registry_hrn]
96 if registry_hrn != api.hrn:
97 credential = api.getCredential()
98 peer_records = registries[registry_hrn].resolve(credential, xrns, origin_hrn)
99 records.extend([SfaRecord(dict=record).as_dict() for record in peer_records])
101 # try resolving the remaining unfound records at the local registry
102 remaining_hrns = set(hrns).difference([record['hrn'] for record in records])
103 # convert set to list
104 remaining_hrns = [hrn for hrn in remaining_hrns]
106 local_records = table.findObjects({'hrn': remaining_hrns})
107 for record in local_records:
109 api.fill_record_info(record)
110 records.append(dict(record))
111 except PlanetLabRecordDoesNotExist:
112 # silently drop the ones that are missing in PL
113 print >> log, "ignoring SFA record ", record['hrn'], \
114 " because pl record does not exist"
118 raise RecordNotFound(str(hrns))
121 records = filter(lambda rec: rec['type'] in [type], records)
125 def list(api, xrn, origin_hrn=None):
126 hrn, type = urn_to_hrn(xrn)
127 # load all know registry names into a prefix tree and attempt to find
128 # the longest matching prefix
130 registries = Registries(api)
131 registry_hrns = registries.keys()
133 tree.load(registry_hrns)
134 registry_hrn = tree.best_match(hrn)
136 #if there was no match then this record belongs to an unknow registry
138 raise MissingAuthority(xrn)
140 # if the best match (longest matching hrn) is not the local registry,
141 # forward the request
143 if registry_hrn != api.hrn:
144 credential = api.getCredential()
145 record_list = registries[registry_hrn].list(credential, xrn, origin_hrn)
146 records = [SfaRecord(dict=record).as_dict() for record in record_list]
148 # if we still havnt found the record yet, try the local registry
150 if not api.auth.hierarchy.auth_exists(hrn):
151 raise MissingAuthority(hrn)
154 records = table.find({'authority': hrn})
159 def register(api, record):
161 hrn, type = record['hrn'], record['type']
164 if type not in ['authority', 'slice', 'node', 'user']:
165 raise UnknownSfaType(type)
167 # check if record already exists
169 existing_records = table.find({'type': type, 'hrn': hrn})
171 raise ExistingRecord(hrn)
173 record = SfaRecord(dict = record)
174 record['authority'] = get_authority(record['hrn'])
175 type = record['type']
177 api.auth.verify_object_permission(hrn)
178 auth_info = api.auth.get_auth_info(record['authority'])
180 # make sure record has a gid
181 if 'gid' not in record:
183 pkey = Keypair(create=True)
184 if 'key' in record and record['key']:
185 if isinstance(record['key'], types.ListType):
186 pub_key = record['key'][0]
188 pub_key = record['key']
189 pkey = convert_public_key(pub_key)
191 gid_object = api.auth.hierarchy.create_gid(hrn, uuid, pkey)
192 gid = gid_object.save_to_string(save_parents=True)
196 if type in ["authority"]:
198 if not api.auth.hierarchy.auth_exists(hrn):
199 api.auth.hierarchy.create_auth(hrn)
201 # get the GID from the newly created authority
202 gid = auth_info.get_gid_object()
203 record.set_gid(gid.save_to_string(save_parents=True))
204 pl_record = api.sfa_fields_to_pl_fields(type, hrn, record)
205 sites = api.plshell.GetSites(api.plauth, [pl_record['login_base']])
207 pointer = api.plshell.AddSite(api.plauth, pl_record)
209 pointer = sites[0]['site_id']
211 record.set_pointer(pointer)
212 record['pointer'] = pointer
214 elif (type == "slice"):
215 acceptable_fields=['url', 'instantiation', 'name', 'description']
216 pl_record = api.sfa_fields_to_pl_fields(type, hrn, record)
217 for key in pl_record.keys():
218 if key not in acceptable_fields:
220 slices = api.plshell.GetSlices(api.plauth, [pl_record['name']])
222 pointer = api.plshell.AddSlice(api.plauth, pl_record)
224 pointer = slices[0]['slice_id']
225 record.set_pointer(pointer)
226 record['pointer'] = pointer
228 elif (type == "user"):
229 persons = api.plshell.GetPersons(api.plauth, [record['email']])
231 pointer = api.plshell.AddPerson(api.plauth, dict(record))
233 pointer = persons[0]['person_id']
235 if 'enabled' in record and record['enabled']:
236 api.plshell.UpdatePerson(api.plauth, pointer, {'enabled': record['enabled']})
237 # add this persons to the site only if he is being added for the first
238 # time by sfa and doesont already exist in plc
239 if not persons or not persons[0]['site_ids']:
240 login_base = get_leaf(record['authority'])
241 api.plshell.AddPersonToSite(api.plauth, pointer, login_base)
243 # What roles should this user have?
244 api.plshell.AddRoleToPerson(api.plauth, 'user', pointer)
247 api.plshell.AddPersonKey(api.plauth, pointer, {'key_type' : 'ssh', 'key' : pub_key})
249 elif (type == "node"):
250 pl_record = api.sfa_fields_to_pl_fields(type, hrn, record)
251 login_base = hrn_to_pl_login_base(record['authority'])
252 nodes = api.plshell.GetNodes(api.plauth, [pl_record['hostname']])
254 pointer = api.plshell.AddNode(api.plauth, login_base, pl_record)
256 pointer = nodes[0]['node_id']
258 record['pointer'] = pointer
259 record.set_pointer(pointer)
260 record_id = table.insert(record)
261 record['record_id'] = record_id
263 # update membership for researchers, pis, owners, operators
264 api.update_membership(None, record)
266 return record.get_gid_object().save_to_string(save_parents=True)
268 def update(api, record_dict):
269 new_record = SfaRecord(dict = record_dict)
270 type = new_record['type']
271 hrn = new_record['hrn']
272 api.auth.verify_object_permission(hrn)
274 # make sure the record exists
275 records = table.findObjects({'type': type, 'hrn': hrn})
277 raise RecordNotFound(hrn)
279 record['last_updated'] = time.gmtime()
281 # Update_membership needs the membership lists in the existing record
282 # filled in, so it can see if members were added or removed
283 api.fill_record_info(record)
285 # Use the pointer from the existing record, not the one that the user
286 # gave us. This prevents the user from inserting a forged pointer
287 pointer = record['pointer']
288 # update the PLC information that was specified with the record
290 if (type == "authority"):
291 api.plshell.UpdateSite(api.plauth, pointer, new_record)
293 elif type == "slice":
294 pl_record=api.sfa_fields_to_pl_fields(type, hrn, new_record)
295 if 'name' in pl_record:
296 pl_record.pop('name')
297 api.plshell.UpdateSlice(api.plauth, pointer, pl_record)
300 # SMBAKER: UpdatePerson only allows a limited set of fields to be
301 # updated. Ideally we should have a more generic way of doing
302 # this. I copied the field names from UpdatePerson.py...
304 all_fields = new_record
305 for key in all_fields.keys():
306 if key in ['first_name', 'last_name', 'title', 'email',
307 'password', 'phone', 'url', 'bio', 'accepted_aup',
309 update_fields[key] = all_fields[key]
310 api.plshell.UpdatePerson(api.plauth, pointer, update_fields)
312 if 'key' in new_record and new_record['key']:
313 # must check this key against the previous one if it exists
314 persons = api.plshell.GetPersons(api.plauth, [pointer], ['key_ids'])
316 keys = person['key_ids']
317 keys = api.plshell.GetKeys(api.plauth, person['key_ids'])
319 if isinstance(new_record['key'], types.ListType):
320 new_key = new_record['key'][0]
322 new_key = new_record['key']
324 # Delete all stale keys
326 if new_record['key'] != key['key']:
327 api.plshell.DeleteKey(api.plauth, key['key_id'])
331 api.plshell.AddPersonKey(api.plauth, pointer, {'key_type': 'ssh', 'key': new_key})
333 # update the openssl key and gid
334 pkey = convert_public_key(new_key)
336 gid_object = api.auth.hierarchy.create_gid(hrn, uuid, pkey)
337 gid = gid_object.save_to_string(save_parents=True)
339 record = SfaRecord(dict=record)
343 api.plshell.UpdateNode(api.plauth, pointer, new_record)
346 raise UnknownSfaType(type)
348 # update membership for researchers, pis, owners, operators
349 api.update_membership(record, new_record)
353 def remove(api, xrn, type, origin_hrn=None):
356 hrn = urn_to_hrn(xrn)[0]
358 hrn, type = urn_to_hrn(xrn)
361 filter = {'hrn': hrn}
362 if type not in ['all', '*']:
363 filter['type'] = type
364 records = table.find(filter)
366 raise RecordNotFound(hrn)
368 type = record['type']
370 credential = api.getCredential()
371 registries = Registries(api)
373 # Try to remove the object from the PLCDB of federated agg.
374 # This is attempted before removing the object from the local agg's PLCDB and sfa table
375 if hrn.startswith(api.hrn) and type in ['user', 'slice', 'authority']:
376 for registry in registries:
377 if registry not in [api.hrn]:
379 result=registries[registry].remove_peer_object(credential, record, origin_hrn)
383 persons = api.plshell.GetPersons(api.plauth, record['pointer'])
384 # only delete this person if he has site ids. if he doesnt, it probably means
385 # he was just removed from a site, not actually deleted
386 if persons and persons[0]['site_ids']:
387 api.plshell.DeletePerson(api.plauth, record['pointer'])
388 elif type == "slice":
389 if api.plshell.GetSlices(api.plauth, record['pointer']):
390 api.plshell.DeleteSlice(api.plauth, record['pointer'])
392 if api.plshell.GetNodes(api.plauth, record['pointer']):
393 api.plshell.DeleteNode(api.plauth, record['pointer'])
394 elif type == "authority":
395 if api.plshell.GetSites(api.plauth, record['pointer']):
396 api.plshell.DeleteSite(api.plauth, record['pointer'])
398 raise UnknownSfaType(type)
404 def remove_peer_object(api, record, origin_hrn=None):
407 def register_peer_object(api, record, origin_hrn=None):